Behavioral data about Hispanics’ use of digital payments is scarce, but the sector as a whole spends more than $1.4 trillion annually and its population growth rate significantly outpaces the mainstream, based on U.S. Census Bureau data.

Card issuers have long feared that third-party mobile wallets would erode their brand power by rendering them an invisible part of the payment process — and issuers like Barclays and TD Bank are finding ways to fight back.